WO2003075212A3 - Position sensor - Google Patents

Position sensor Download PDF

Info

Publication number
WO2003075212A3
WO2003075212A3 PCT/GB2002/005243 GB0205243W WO03075212A3 WO 2003075212 A3 WO2003075212 A3 WO 2003075212A3 GB 0205243 W GB0205243 W GB 0205243W WO 03075212 A3 WO03075212 A3 WO 03075212A3
Authority
WO
WIPO (PCT)
Prior art keywords
stylus
novel
digitiser
resonant
windings
Prior art date
Application number
PCT/GB2002/005243
Other languages
French (fr)
Other versions
WO2003075212A2 (en
Inventor
Gareth John Mccaughan
Original Assignee
Synaptics Uk Ltd
Gareth John Mccaughan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0205116A external-priority patent/GB0205116D0/en
Priority claimed from GB0209372A external-priority patent/GB0209372D0/en
Priority to GB0422083A priority Critical patent/GB2403017A/en
Priority claimed from PCT/GB2002/002387 external-priority patent/WO2002103622A2/en
Priority claimed from GB0212699A external-priority patent/GB0212699D0/en
Application filed by Synaptics Uk Ltd, Gareth John Mccaughan filed Critical Synaptics Uk Ltd
Priority to AU2002343056A priority patent/AU2002343056A1/en
Publication of WO2003075212A2 publication Critical patent/WO2003075212A2/en
Publication of WO2003075212A3 publication Critical patent/WO2003075212A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • G06F1/3262—Power saving in digitizer or tablet
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/0485—Scrolling or panning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/033—Indexing scheme relating to G06F3/033
    • G06F2203/0339—Touch strips, e.g. orthogonal touch strips to control cursor movement or scrolling; single touch strip to adjust parameter or to implement a row of soft keys

Abstract

A low cost x-y digitising system is described for use in consumer electronic devices, such as portable digital assistants (1), mobile telephones, web browsers and the like. The digitiser includes a resonant stylus (5), an excitation winding for energising the resonant stylus (5) and a set of sensor windings for sensing the signal generated by the stylus (5), from which the x-y position of the stylus is determined. A novel stylus design is described together with novel digitiser windings and novel excitation and processing circuitry.
PCT/GB2002/005243 2002-03-05 2002-11-22 Position sensor WO2003075212A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0422083A GB2403017A (en) 2002-03-05 2002-05-21 Position sensor
AU2002343056A AU2002343056A1 (en) 2002-03-05 2002-11-22 Position sensor

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GB0205116A GB0205116D0 (en) 2002-03-05 2002-03-05 Position sensor
GB0205116.7 2002-03-05
GB0209372A GB0209372D0 (en) 2002-04-24 2002-04-24 Resonator frequency detection method
GB0209372.2 2002-04-24
PCT/GB2002/002387 WO2002103622A2 (en) 2001-05-21 2002-05-21 Position sensor
GBPCT/GB02/02387 2002-05-21
GB0212699A GB0212699D0 (en) 2002-05-31 2002-05-31 Sensor board with feet
GB0212699.3 2002-05-31

Publications (2)

Publication Number Publication Date
WO2003075212A2 WO2003075212A2 (en) 2003-09-12
WO2003075212A3 true WO2003075212A3 (en) 2004-03-04

Family

ID=27792211

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/GB2002/005247 WO2003075213A2 (en) 2002-03-05 2002-11-22 Position sensor
PCT/GB2002/005243 WO2003075212A2 (en) 2002-03-05 2002-11-22 Position sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/005247 WO2003075213A2 (en) 2002-03-05 2002-11-22 Position sensor

Country Status (4)

Country Link
US (1) US7406393B2 (en)
AU (2) AU2002367738A1 (en)
GB (2) GB2403017A (en)
WO (2) WO2003075213A2 (en)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6768958B2 (en) * 2002-11-26 2004-07-27 Lsi Logic Corporation Automatic calibration of a masking process simulator
US7647562B2 (en) * 2003-04-03 2010-01-12 National Instruments Corporation Deployment and execution of a graphical program on an embedded device from a PDA
US7187185B2 (en) * 2004-09-29 2007-03-06 Loadstar Sensors Inc Area-change sensing through capacitive techniques
US7353713B2 (en) * 2003-04-09 2008-04-08 Loadstar Sensors, Inc. Flexible apparatus and method to enhance capacitive force sensing
US7451659B2 (en) * 2004-09-29 2008-11-18 Loadstar Sensors, Inc. Gap-change sensing through capacitive techniques
GB0319945D0 (en) * 2003-08-26 2003-09-24 Synaptics Uk Ltd Inductive sensing system
JP4266761B2 (en) * 2003-09-25 2009-05-20 株式会社ワコム Position detection system and position detection apparatus
KR100547747B1 (en) * 2003-10-28 2006-01-31 삼성전자주식회사 Mobile communication terminal having a performance self-diagnosis function and its diagnostic method
GB0613983D0 (en) * 2006-07-13 2006-08-23 Synaptics Uk Ltd Digitising System
US9201556B2 (en) 2006-11-08 2015-12-01 3M Innovative Properties Company Touch location sensing system and method employing sensor data fitting to a predefined curve
US8547114B2 (en) 2006-11-14 2013-10-01 Cypress Semiconductor Corporation Capacitance to code converter with sigma-delta modulator
DE102006055409A1 (en) * 2006-11-22 2008-05-29 Ab Elektronik Gmbh Inductive sensor for the detection of two coupling elements
US8207944B2 (en) 2006-12-19 2012-06-26 3M Innovative Properties Company Capacitance measuring circuit and method
US8040329B2 (en) 2006-12-20 2011-10-18 3M Innovative Properties Company Frequency control circuit for tuning a resonant circuit of an untethered device
US20080149401A1 (en) * 2006-12-20 2008-06-26 3M Innovative Properties Company Untethered stylus employing separate communication channels
US8134542B2 (en) 2006-12-20 2012-03-13 3M Innovative Properties Company Untethered stylus employing separate communication and power channels
US8243049B2 (en) * 2006-12-20 2012-08-14 3M Innovative Properties Company Untethered stylus employing low current power converter
US7956851B2 (en) * 2006-12-20 2011-06-07 3M Innovative Properties Company Self-tuning drive source employing input impedance phase detection
US7787259B2 (en) 2006-12-28 2010-08-31 3M Innovative Properties Company Magnetic shield for use in a location sensing system
US8089474B2 (en) * 2006-12-28 2012-01-03 3M Innovative Properties Company Location sensing system and method employing adaptive drive signal adjustment
US8040330B2 (en) 2006-12-28 2011-10-18 3M Innovative Properties Company Untethered stylus empolying multiple reference frequency communication
US8570028B2 (en) 2007-05-10 2013-10-29 Cambridge Integrated Circuits Limited Transducer for a position sensor
US8570053B1 (en) 2007-07-03 2013-10-29 Cypress Semiconductor Corporation Capacitive field sensor with sigma-delta modulator
US8089289B1 (en) 2007-07-03 2012-01-03 Cypress Semiconductor Corporation Capacitive field sensor with sigma-delta modulator
US8061201B2 (en) * 2007-07-13 2011-11-22 Georgia Tech Research Corporation Readout method and electronic bandwidth control for a silicon in-plane tuning fork gyroscope
WO2009040815A1 (en) * 2007-09-26 2009-04-02 N-Trig Ltd. Method for identifying changes in signal frequencies emitted by a stylus interacting with a digitizer sensor
US8319505B1 (en) 2008-10-24 2012-11-27 Cypress Semiconductor Corporation Methods and circuits for measuring mutual and self capacitance
US8358142B2 (en) 2008-02-27 2013-01-22 Cypress Semiconductor Corporation Methods and circuits for measuring mutual and self capacitance
US20090250254A1 (en) * 2008-04-02 2009-10-08 Sufariu Diana A Methods for configurable manufacturing and apparatus
US8199953B2 (en) * 2008-10-30 2012-06-12 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Multi-aperture acoustic horn
US8481872B2 (en) 2008-12-22 2013-07-09 N-Trig Ltd. Digitizer, stylus and method of synchronization therewith
US10502565B2 (en) 2009-03-13 2019-12-10 Otl Dynamics Llc Leveling and positioning system and method
US10480940B2 (en) 2009-03-13 2019-11-19 Otl Dynamics Llc Leveling and positioning system and method
CN101840274A (en) * 2009-03-17 2010-09-22 汉王科技股份有限公司 Portable stylus
US8278571B2 (en) * 2009-04-03 2012-10-02 Pixart Imaging Inc. Capacitive touchscreen or touchpad for finger and active stylus
US9069405B2 (en) 2009-07-28 2015-06-30 Cypress Semiconductor Corporation Dynamic mode switching for fast touch response
US8723827B2 (en) 2009-07-28 2014-05-13 Cypress Semiconductor Corporation Predictive touch surface scanning
JP5430339B2 (en) * 2009-10-19 2014-02-26 株式会社ワコム Position detecting device and position indicator
KR101603101B1 (en) * 2009-10-23 2016-03-14 삼성전자 주식회사 Display apparatus and method of controlling the same
JP5442479B2 (en) 2010-02-05 2014-03-12 株式会社ワコム Indicator, position detection device and position detection method
EP2619644A1 (en) 2010-09-22 2013-07-31 Cypress Semiconductor Corporation Capacitive stylus for a touch screen
WO2012057888A1 (en) 2010-10-28 2012-05-03 Cypress Semiconductor Corporation Synchronizing a stylus with a capacitive sense array
EP3605269A1 (en) * 2010-11-05 2020-02-05 Neodrón Limited Method and sensor device for the detection of a gripping of a hand-held device
GB2488389C (en) 2010-12-24 2018-08-22 Cambridge Integrated Circuits Ltd Position sensing transducer
KR101750564B1 (en) * 2011-01-05 2017-06-23 삼성전자주식회사 Digitizer integrated display module
US8493360B2 (en) 2011-07-19 2013-07-23 Cypress Semiconductor Corporation Quadrature signal receiver using synchronized oscillator
US8797301B2 (en) 2012-02-15 2014-08-05 Cypress Semiconductor Corporation Active stylus to host data transmitting method
US9189121B2 (en) 2011-10-28 2015-11-17 Atmel Corporation Active stylus with filter having a threshold
US9557833B2 (en) * 2011-10-28 2017-01-31 Atmel Corporation Dynamic adjustment of received signal threshold in an active stylus
US9606641B2 (en) 2015-03-09 2017-03-28 Atmel Corporation Adaptive transmit voltage in active stylus
US9250719B2 (en) 2011-10-28 2016-02-02 Atmel Corporation Active stylus with filter
US11347330B2 (en) 2011-10-28 2022-05-31 Wacom Co., Ltd. Adaptive transmit voltage in active stylus
KR101890420B1 (en) * 2012-01-06 2018-08-21 삼성전자주식회사 Electro magnetic induction sensing apparatus and method for controlling thereof
US9013429B1 (en) 2012-01-14 2015-04-21 Cypress Semiconductor Corporation Multi-stage stylus detection
GB2503006B (en) 2012-06-13 2017-08-09 Cambridge Integrated Circuits Ltd Position sensing transducer
US8869412B2 (en) * 2012-09-20 2014-10-28 Otl Dynamics Llc Work-tool positioning system and method
US9676073B2 (en) 2012-09-20 2017-06-13 Otl Dynamics Llc Work-tool control system and method
US9841862B2 (en) 2012-10-16 2017-12-12 Atmel Corporation Stylus position system
KR101989408B1 (en) * 2012-10-25 2019-06-14 삼성전자 주식회사 Touch input apparatus using delay component and touch input method thereof and touch input system and method
US20140204046A1 (en) * 2013-01-22 2014-07-24 Pixart Imaging Inc. Capacitive touch sensing device and detection method thereof
US9235294B2 (en) 2013-05-17 2016-01-12 Blackberry Limited Phase sensitive low power digital ultrasonic microphone
JP5819892B2 (en) * 2013-08-21 2015-11-24 レノボ・シンガポール・プライベート・リミテッド Electronic device including coordinate input device for inputting with electronic pen, control method, and computer program
CN104731424B (en) * 2013-11-08 2018-09-28 禾瑞亚科技股份有限公司 Method, device and system for detecting sender close to touch device
US9886142B2 (en) * 2013-12-03 2018-02-06 Pixart Imaging Inc. Capacitive touch sensing system
KR102219857B1 (en) * 2014-03-18 2021-02-24 삼성전자주식회사 An electronic device and operating method thereof
CN104199587B (en) * 2014-07-22 2018-09-07 上海天马微电子有限公司 Inductance touch screen and its driving detection method, coordinate entering device
US10088922B2 (en) 2014-11-26 2018-10-02 Synaptics Incorporated Smart resonating pen
US9946391B2 (en) 2014-11-26 2018-04-17 Synaptics Incorporated Sensing objects using multiple transmitter frequencies
US10180736B2 (en) 2014-11-26 2019-01-15 Synaptics Incorporated Pen with inductor
US10331242B2 (en) 2015-03-25 2019-06-25 Microsoft Technology Licensing, Llc Stylus having a plurality of operating portions configured to transmit synchronized signals
TWI727951B (en) * 2015-05-21 2021-05-21 日商和冠股份有限公司 Active stylus
US20170308636A1 (en) * 2016-04-20 2017-10-26 Texas Instruments Incorporated Methods and apparatus for a coil designer
TWD182128S (en) * 2016-05-10 2017-04-01 和碩聯合科技股份有限公司 Portion of stylus set
CH712932A2 (en) * 2016-09-16 2018-03-29 NM Numerical Modelling GmbH Method for determining the position of a position sensor of a position measuring system.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0432365A2 (en) * 1989-11-15 1991-06-19 Summagraphics Corporation Low-power electromagnetic digitizer tablet
GB2355531A (en) * 1999-10-20 2001-04-25 Synaptics Drive circuit for a position sensor

Family Cites Families (135)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2145742A (en) 1935-09-18 1939-01-31 Gen Electric Band filtering device with variable band breadth
US2867783A (en) 1948-11-06 1959-01-06 Edward G Martin Measuring device
US2942212A (en) 1956-01-31 1960-06-21 British Thomson Houston Co Ltd Position sensing devices
US3219956A (en) 1961-09-22 1965-11-23 Sperry Rand Corp Ford Instr Co Brushless rotary inductive devices
US3297940A (en) 1962-06-01 1967-01-10 Internat Instr Inc Means for reproducing a pattern as a d. c. output
US3482242A (en) 1966-05-25 1969-12-02 Computing Devices Canada Synchro to digital converter using storage capacitors and sampling circuits
US3647963A (en) 1969-03-10 1972-03-07 Bendix Corp Automatic coordinate determining device
IT971206B (en) 1971-11-26 1974-04-30 Bosch Gmbh Robert INDUCTIVE ROTATION TRANSDUCER IN PARTICULAR FOR THE MEASUREMENT OF ANGULAR MOVEMENTS AND ROTATION
US4097684A (en) 1971-12-20 1978-06-27 Kollmorgen Technologies Inc. Electric wiring assemblies
US3772587A (en) 1972-03-15 1973-11-13 Inductosyn Corp Position measuring transformer
US3851242A (en) 1972-06-27 1974-11-26 J Ellis Frequency-modulated eddy-current proximity gage
US3906436A (en) 1973-02-08 1975-09-16 Sumitomo Electric Industries Detection system for the location of moving objects
NL7305172A (en) 1973-04-13 1974-10-15
US3895356A (en) 1973-10-10 1975-07-15 Kraus Instr Inc Automatic digital height gauge
GB1485646A (en) 1973-11-16 1977-09-14 Hitachi Ltd Digital displacement sensors
US3898635A (en) 1973-12-20 1975-08-05 Ibm Position measuring transformer
US3873770A (en) 1974-03-21 1975-03-25 Bendix Corp Digital position measurement system with stylus tilt error compensation
US4014015A (en) 1975-05-05 1977-03-22 Devtron Corporation Absolute digital position measurement system
US4065850A (en) 1975-08-13 1978-01-03 Kollmorgen Technologies Corporation Method of making multi-wire electrical interconnecting member having a multi-wire matrix of insulated wires mechanically terminated thereon
DE2711597A1 (en) 1976-03-23 1977-10-06 Hughes Microelectronics Ltd CONVERTER FOR GENERATING ELECTRICAL SIGNALS THAT ARE A FUNCTION OF SEVERAL DIFFERENT PARAMETERS
IT1072337B (en) 1976-05-18 1985-04-10 Olivetti Controllo Numerico Cp PRECISION TRANSDUCER FOR POSITION MEASUREMENTS AND RELATED MANUFACTURING PROCESS
SE406642B (en) 1977-02-16 1979-02-19 Aga Ab ELECTROMECHANICAL DOCTOR
US4081603A (en) 1977-03-07 1978-03-28 Summagraphics Corporation Position coordinate determination device
IT1111425B (en) 1977-05-18 1986-01-13 Conte Alberto ABSOLUTE PRECISION TRANSDUCER FOR MEASUREMENT OF LINEAR OR ANGULAR POSITIONS
US4156192A (en) 1977-08-11 1979-05-22 Moskovskoe Nauchno-Proizvodstvennoe Obiedinenie Po Stroitelstvu I Dorozhnomu Mashinostroeniju Inductive displacement transducer using plural magnetic screens rotatable about different axis to modify an inductance proportional to the displacement
US4210775A (en) 1978-07-03 1980-07-01 Talos Systems, Inc. Method and apparatus for digitizing the location of an instrument relative to a grid
US4255617A (en) 1979-08-27 1981-03-10 Hewlett-Packard Company Travelling wave digitizer
US4341385A (en) 1980-01-24 1982-07-27 Doyle Holly Thomis Electronic board game apparatus
US4358723A (en) 1980-08-29 1982-11-09 Scholl Jule A Method and apparatus for measuring the rotation of a work table
US4425511A (en) 1981-02-09 1984-01-10 Amnon Brosh Planar coil apparatus employing a stationary and a movable board
US4387509A (en) 1981-08-17 1983-06-14 Amp Incorporated Method of manufacturing an electrical interconnection assembly
US4507638A (en) 1981-12-10 1985-03-26 Amnon Brosh Rotary position sensors employing planar coils
US4482784A (en) 1982-02-01 1984-11-13 Summagraphics Corporation Position determination device
US4423286A (en) 1982-07-21 1983-12-27 Talos Systems, Inc. Apparatus and method for determining the position of a driven coil within a grid of spaced conductors
GB2140562B (en) 1983-04-22 1986-10-08 Robert John Collins Current-ratio digitisers
US4532376A (en) 1983-05-26 1985-07-30 Sanders Associates, Inc. Electronic pen with switching mechanism for selectively providing tactile or non-tactile feel
DE3437106A1 (en) 1983-10-14 1985-05-02 Equipements Automobiles Marchal S.A., Issy-les-Moulineaux ELECTROMAGNETIC ACTUATOR
US4593245A (en) 1983-12-12 1986-06-03 General Electric Company Eddy current method for detecting a flaw in semi-conductive material
JPS60150121A (en) 1984-01-13 1985-08-07 Wacom Co Ltd Coordinate input device with display
JPS60153537A (en) 1984-01-20 1985-08-13 Wacom Co Ltd Coordinate input device having display
JPS60165512A (en) 1984-02-08 1985-08-28 Toshiba Corp Digital rotational angle detector
US4577057A (en) 1984-03-02 1986-03-18 Pencept, Inc. Digitizing tablet system having stylus tilt correction
JPS60189231A (en) 1984-03-08 1985-09-26 Matsushita Electric Ind Co Ltd Wire bonding apparatus
US4697144A (en) 1984-04-19 1987-09-29 Verify Electronics Limited Position sensing apparatus
IE55855B1 (en) 1984-10-19 1991-01-30 Kollmorgen Ireland Ltd Position and speed sensors
US4752655A (en) 1984-11-16 1988-06-21 Nippon Telegraph & Telephone Corporation Coordinate input device
DE3579144D1 (en) 1984-12-28 1990-09-13 Wacom Co Ltd DEVICE FOR DETERMINING THE POSITION.
US4748295A (en) 1985-04-03 1988-05-31 Kurta Corporation Four button cursor and method for digitizing tablet
US4672154A (en) 1985-04-03 1987-06-09 Kurta Corporation Low power, high resolution digitizing system with cordless pen/mouse
US4723446A (en) 1985-04-04 1988-02-09 Kanto Seiki Co., Ltd. Device for measuring displacement
JPS61260321A (en) 1985-05-14 1986-11-18 Wacom Co Ltd Position detecting device
FR2584836B1 (en) 1985-07-09 1992-06-19 Farel Alain PROCESS FOR COMPUTERIZED GRAPHIC DATA ENTRY WITH THEIR CREATION
US4711026A (en) 1985-07-19 1987-12-08 Kollmorgen Technologies Corporation Method of making wires scribed circuit boards
US4642321A (en) 1985-07-19 1987-02-10 Kollmorgen Technologies Corporation Heat activatable adhesive for wire scribed circuits
US4693778A (en) 1985-07-19 1987-09-15 Kollmorgen Technologies Corporation Apparatus for making scribed circuit boards and circuit board modifications
EP0229637A3 (en) 1986-01-09 1988-10-05 Wacom Co., Ltd. Electronic blackboard apparatus
US4985691A (en) 1986-02-26 1991-01-15 University Of Pittsburgh Contactless motion sensor
DE3608148A1 (en) 1986-03-12 1987-09-24 Schwab Technologieberatung ARRANGEMENT FOR MONITORING AND DISPLAYING CHESS PARTIES
EP0254297B1 (en) 1986-07-23 1994-06-01 Wacom Company, Ltd. Coordinates input system
JPH07107661B2 (en) 1986-09-08 1995-11-15 株式会社ワコム Position indicator status detection method
JPS6370326A (en) 1986-09-12 1988-03-30 Wacom Co Ltd Position detector
US4734546A (en) 1987-03-16 1988-03-29 Calcomp, Inc. Digitizer system with loopback conductor grid
DE3713305A1 (en) 1987-04-18 1988-11-03 Heldt & Rossi Servoelektronik TACHOGENERATOR FOR ELECTRICAL MACHINES
IE871118L (en) 1987-05-01 1988-11-01 Univ Manchester Improvements in or relating to linear motion screened¹inductance sensors.
US4893077A (en) 1987-05-28 1990-01-09 Auchterlonie Richard C Absolute position sensor having multi-layer windings of different pitches providing respective indications of phase proportional to displacement
JP2583509B2 (en) 1987-06-16 1997-02-19 株式会社 ワコム Coordinate input device
DE307667T1 (en) 1987-08-24 1991-09-05 Wacom Co., Ltd., Saitama, Jp COORDINATE INPUT SYSTEM WITH AN INPUT WRITING PEN.
KR960001649B1 (en) 1987-09-14 1996-02-03 가부시기가이샤 와꼬무 Electronic blackboard system, the marker and the eraser
KR0122737B1 (en) 1987-12-25 1997-11-20 후루다 모또오 Position detecting device
US4821002A (en) 1988-04-07 1989-04-11 Luly Robert A Ku band polarizer
US4891590A (en) 1988-06-08 1990-01-02 Unico, Inc. Linear resolver utilizing plural nulled coil sets
DE3821050A1 (en) 1988-06-22 1989-12-28 Thomson Brandt Gmbh TACHOGENERATOR
JPH01320521A (en) 1988-06-22 1989-12-26 Wacom Co Ltd Electronic blackboard device and its writing tool or the like
GB8821675D0 (en) 1988-09-02 1988-10-19 Craig T R Rotation & displacement sensing apparatus
US5088928A (en) 1988-11-15 1992-02-18 Chan James K Educational/board game apparatus
NL8900750A (en) 1989-03-28 1990-10-16 Philips Nv DEVICE FOR MEASURING A RELATIVE MOVEMENT.
JPH02275314A (en) 1989-04-17 1990-11-09 Omron Corp Inductosyn substrate
US4963703A (en) 1989-07-18 1990-10-16 Numonics Corporation Coordinate determining device using spatial filters
GB8920204D0 (en) 1989-09-07 1989-10-18 Saitek Ltd Sensory games
DE68901599D1 (en) 1989-10-25 1992-06-25 Saitek Ltd ELECTRONIC PLAYER.
JP2971488B2 (en) * 1989-11-01 1999-11-08 株式会社ワコム Position detection device
US5004872A (en) 1989-11-14 1991-04-02 Summagraphics Corporation Digitizer tablet with pressure stylus
US5059180A (en) 1989-11-21 1991-10-22 Mclees Donald J Automatic needle tip guard
US5066833A (en) 1990-11-13 1991-11-19 Summagraphics Corporation Low power sensing apparatus for digitizer tablets
US5045645A (en) 1990-05-22 1991-09-03 Calcomp Inc. Digitizer system with passive pointer
JP3150685B2 (en) 1990-08-06 2001-03-26 株式会社ワコム Variable capacitance capacitor
US5120908A (en) 1990-11-01 1992-06-09 Gazelle Graphic Systems Inc. Electromagnetic position transducer
WO1992009029A1 (en) * 1990-11-16 1992-05-29 Seiko Instruments Inc. Device for reading out coordinate
US5129654A (en) 1991-01-03 1992-07-14 Brehn Corporation Electronic game apparatus
US5239489A (en) 1991-05-06 1993-08-24 International Business Machines Corporation Pen position and tilt estimators for a digitizer tablet
US5136125A (en) 1991-05-06 1992-08-04 International Business Machines Corporation Sensor grid for an electromagnetic digitizer tablet
US5245336A (en) 1991-07-05 1993-09-14 Wintime Technology Inc. Digitizer with overlapped loop pattern and peak phase recognizer
US5225637A (en) 1991-10-01 1993-07-06 Kurta Corporation Position resolving system
US5218174A (en) 1991-10-01 1993-06-08 Kurta Corporation Low power cordless magnetic field digitizer with differential grid sensing and synchronous position demodulation
US5247137A (en) 1991-10-25 1993-09-21 Mark Epperson Autonomous computer input device and marking instrument
US5247138A (en) 1991-11-08 1993-09-21 Calcomp Inc. Cordless digitizer stylus status encoding and transmission scheme
US5274198A (en) 1991-12-26 1993-12-28 Cal Comp Inc. Printed conductive ink electrostatic shield for electromagnetic digitizers
JPH05187803A (en) * 1992-01-14 1993-07-27 Kanbayashi Seisakusho:Kk Sensor
US5525981A (en) * 1992-01-30 1996-06-11 Calcomp Inc. Cordless digitizer transducer/cursor status transmission apparatus and method
EP0570866B1 (en) 1992-05-22 1995-09-20 Kabushiki Kaisha Allco Writing instrument with exchangeable ink refill
US5625239A (en) * 1992-06-03 1997-04-29 Trw Inc. Method and apparatus for sensing relative position between two relatively rotatable members using concentric rings
US5406155A (en) * 1992-06-03 1995-04-11 Trw Inc. Method and apparatus for sensing relative position between two relatively rotatable members
JP2832776B2 (en) * 1992-06-12 1998-12-09 キヤノン株式会社 Ink jet recording device
US5369227A (en) 1992-07-22 1994-11-29 Summagraphics Corporation Stylus switch status determination in a digitizer tablet having a cordless stylus
JPH06119090A (en) * 1992-10-07 1994-04-28 Hitachi Ltd Power economization control system
US5486731A (en) * 1992-10-27 1996-01-23 Tamagawa Seiki Kabushiki Kaisha Sinusoidally distributed winding method suitable for a detector winding
US5349139A (en) 1992-10-30 1994-09-20 International Business Machines Architecture for communication of remote devices to a digitizing display
US5357062A (en) 1993-01-28 1994-10-18 Calcomp Inc. Pressure sensing apparatus for digitizer pen tip
US5434372A (en) * 1993-08-19 1995-07-18 Acer Peripherals, Inc. Position detecting apparatus with coils of opposite loop direction
JPH07200137A (en) * 1993-12-28 1995-08-04 Wacom Co Ltd Position detection device and its position indicator
JP3225157B2 (en) * 1994-03-18 2001-11-05 株式会社ワコム Position detecting device and method
JP3510318B2 (en) * 1994-04-28 2004-03-29 株式会社ワコム Angle information input device
US6249234B1 (en) * 1994-05-14 2001-06-19 Absolute Sensors Limited Position detector
US5646496A (en) * 1994-11-08 1997-07-08 Dana Corporation Apparatus and method for generating digital position signals for a rotatable shaft
JPH08137602A (en) * 1994-11-09 1996-05-31 Alps Electric Co Ltd Stylus pen
US5635683A (en) * 1995-01-04 1997-06-03 Calcomp Technology, Inc. Dynamic pressure adjustment of a pressure-sensitive pointing device for a digitizer
JP3001394B2 (en) * 1995-03-10 2000-01-24 株式会社ワコム Sensor coil pattern and coordinate input device
US5748110A (en) * 1995-04-13 1998-05-05 Wacom Co., Ltd. Angular input information system relative to a tablet for determining an incline angle of a pointer or stylus
JP3050097B2 (en) * 1995-08-29 2000-06-05 住友電装株式会社 Wiring structure of internal circuit wires of electrical junction box
US5895895A (en) * 1995-12-27 1999-04-20 Pilot Precision Kabushiki Kaisha Input pen
US5943044A (en) * 1996-08-05 1999-08-24 Interlink Electronics Force sensing semiconductive touchpad
JPH10171583A (en) * 1996-12-05 1998-06-26 Wacom Co Ltd Position detector and position indicator therefor
US5783940A (en) * 1996-12-23 1998-07-21 Dana Corporation Encoder circuit for determining the position of a rotor of a multiphase motor
JP3087833B2 (en) * 1997-03-12 2000-09-11 日本電気株式会社 Sample frequency converter
ATE309519T1 (en) * 1997-05-28 2005-11-15 Synaptics Uk Ltd METHOD AND WIRE BONDING APPARATUS FOR PRODUCING A TRANSDUCER
DE19738836A1 (en) * 1997-09-05 1999-03-11 Hella Kg Hueck & Co Inductive angle sensor
DE19738841A1 (en) * 1997-09-05 1999-03-11 Hella Kg Hueck & Co Inductive angle sensor
US6249135B1 (en) * 1997-09-19 2001-06-19 Fujitsu Limited Method and apparatus for passive optical characterization of semiconductor substrates subjected to high energy (MEV) ion implantation using high-injection surface photovoltage
GB9721891D0 (en) * 1997-10-15 1997-12-17 Scient Generics Ltd Symmetrically connected spiral transducer
JP3933278B2 (en) * 1997-11-04 2007-06-20 株式会社ワコム Position detecting method and apparatus capable of detecting position indicator
GB9811151D0 (en) * 1998-05-22 1998-07-22 Scient Generics Ltd Rotary encoder
MXPA01005267A (en) * 1998-11-27 2002-04-24 Synaptics Uk Ltd Position sensor.
US7019672B2 (en) * 1998-12-24 2006-03-28 Synaptics (Uk) Limited Position sensor
EP1136752A1 (en) * 2000-03-24 2001-09-26 Nec Corporation Backlight unit and display device using the same backlight unit
US6262684B1 (en) * 2000-06-27 2001-07-17 3Com Corporation Stylus antenna

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0432365A2 (en) * 1989-11-15 1991-06-19 Summagraphics Corporation Low-power electromagnetic digitizer tablet
GB2355531A (en) * 1999-10-20 2001-04-25 Synaptics Drive circuit for a position sensor

Also Published As

Publication number Publication date
GB0422083D0 (en) 2004-11-03
US20050171714A1 (en) 2005-08-04
GB0422091D0 (en) 2004-11-03
US7406393B2 (en) 2008-07-29
AU2002367738A8 (en) 2003-09-16
GB2405942A (en) 2005-03-16
WO2003075212A2 (en) 2003-09-12
GB2403017A (en) 2004-12-22
AU2002367738A1 (en) 2003-09-16
WO2003075213A2 (en) 2003-09-12
AU2002343056A8 (en) 2003-09-16
WO2003075213A3 (en) 2005-07-28
AU2002343056A1 (en) 2003-09-16

Similar Documents

Publication Publication Date Title
WO2003075212A3 (en) Position sensor
WO2002103622A3 (en) Position sensor
WO2000033244A3 (en) Position sensor
EP1241616A3 (en) Portable electronic device with mouse-like capabilities
WO2005020057A3 (en) Digitiser system
EP2112807B1 (en) Portable electronic apparatus and backlight control method thereof
EP1438594A4 (en) Method and apparatus for detecting a change in capacitance of a capacitive proximity sensor
AU3925501A (en) Method and system for using an electronic reading device on non-paper devices
SE0200702D0 (en) Method of obtaining location data
JP4721805B2 (en) Level / frequency conversion circuit and method, A / D conversion circuit and method, signal level notification device and method, and portable communication terminal
CN101772751A (en) Display device with navigation capability
CN101558367A (en) Method and system for detecting movement of an object
EP1275933A3 (en) Portable electronic apparatus with azimuth measuring function, magnetic sensor suitable for the apparatus, and azimuth measuring method for the apparatus
SE9902362D0 (en) Apparatus and method of detecting proximity inductively
TW200638239A (en) Touch-sensing device capable of supporting one-dimensional and two-dimensional modes and control method thereof
WO2004061560A3 (en) Indicating a hyperlink is present in an image
CN102004544A (en) User interface control method and electronic device using same
WO2001061449A3 (en) Specially formatted paper based applications of a mobile phone
EP1336858A3 (en) Two-dimensional magnetic sensor
TW201042508A (en) Inputting device for handwriting system
WO2001029759A3 (en) Position sensor
US8249674B2 (en) Portable electronic device
CN111541038B (en) NFC antenna circuit structure, electronic equipment and method for enhancing magnetic field intensity
WO2002103620A3 (en) Data input tablet
AU2001231718A1 (en) Measuring applications for an electronic reading device

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SC SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

ENP Entry into the national phase

Ref document number: 0422083

Country of ref document: GB

Kind code of ref document: A

Free format text: PCT FILING DATE = 20021122

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP